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muzzle rise : ウィキペディア英語版
The interchangeable terms muzzle rise, muzzle flip and muzzle climb refer to the tendency of firearms or pneumatic arms front end (muzzle end of the barrel) to rise up after firing.(Recoil management: how you hold makes all the difference, Guns Magazine, Oct 2006 by Dave Anderson )Muzzle climb more specifically refers to the elevation of muzzle of the firearm, caused by combined recoil from multiple shots being fired in quick succession. It has an adverse effect on accuracy of automatic and rapid-fire semi-automatic firearms, causing a target to be overshot.The primary reason for muzzle rise is that for nearly all firearms, the centerline of the barrel is above the center of contact between the shooter and the firearms' grips and stock. The recoil forces from the bullet being fired and the propellant gases exiting the muzzle act directly down the centerline of the barrel. If that line of force is above the center of the contact points, this creates a couple, a rotational force. That couple causes the firearm to rotate, and the muzzle end to rise upwards.Muzzle rise can be reduced by:* adding more ergonomic contact points (such as a buttstock) for more grip* reducing the vertical distance between the barrel and the contact points* lowering recoil by using less powerful rounds* lowering recoil by lowering the rate of fire of fully automatic firearms* lowering recoil with devices such as muzzle brakes* compensating for the couple using a ported barrel or asymmetric muzzle fixture* increasing the moment of inertia, however this is unusual* supplanting the fully automatic mode of fire with burst mode* increasing the rate of fire of burst-fired firearms to allow the muzzle less time to riseThe Jatimatic submachine gun is an example of a firearm where the bore axis is inclined against the bolt and the rest of the firearm in order to redirect the recoil force slightly upwards.The KRISS Vector submachine gun uses a more elaborate mechanical articulated mechanism which allows the block and bolt to recoil not just rearward like most other firearms, but back and then 'vectored' down off-axis along a rail system behind the weapon's magazine well to reduce muzzle rise and felt recoil.==Gallery==Image:Csa04katherine500smith1.jpg|The recoil from the .500 S&W Magnum cartridge inducing significant muzzle rise during firing a Smith & Wesson Model 500 revolver.File:500 Linebaugh shooting.jpg|The recoil from the .500 Linebaugh cartridge inducing significant muzzle rise during firing a Ruger Bisley revolver.File:Beretta m9.jpg|Beretta M9 semi-automatic pistol exhibiting muzzle rise just after firing a 9×19mm Parabellum cartridge.File:Custom XD-40 V-10.jpg|Springfield-Armory custom XD-40 V-10, showing a ported barrel and slide intended to reduce muzzle rise.File:AKM and MP5K.JPEG|An AKM assault rifle asymmetric slant cut muzzle fixture designed to counteract muzzle rise (and muzzle climb) during (automatic) firing.File:Steyr lp10.jpg|The barrel of the Steyr LP 10 PCP air pistol has three holes drilled on top along its length to counteract muzzle rise.

The interchangeable terms muzzle rise, muzzle flip and muzzle climb refer to the tendency of firearms or pneumatic arms front end (muzzle end of the barrel) to rise up after firing.〔(Recoil management: how you hold makes all the difference, Guns Magazine, Oct 2006 by Dave Anderson )〕
Muzzle climb more specifically refers to the elevation of muzzle of the firearm, caused by combined recoil from multiple shots being fired in quick succession. It has an adverse effect on accuracy of automatic and rapid-fire semi-automatic firearms, causing a target to be overshot.
The primary reason for muzzle rise is that for nearly all firearms, the centerline of the barrel is above the center of contact between the shooter and the firearms' grips and stock. The recoil forces from the bullet being fired and the propellant gases exiting the muzzle act directly down the centerline of the barrel. If that line of force is above the center of the contact points, this creates a couple, a rotational force. That couple causes the firearm to rotate, and the muzzle end to rise upwards.
Muzzle rise can be reduced by:
* adding more ergonomic contact points (such as a buttstock) for more grip
* reducing the vertical distance between the barrel and the contact points
* lowering recoil by using less powerful rounds
* lowering recoil by lowering the rate of fire of fully automatic firearms
* lowering recoil with devices such as muzzle brakes
* compensating for the couple using a ported barrel or asymmetric muzzle fixture
* increasing the moment of inertia, however this is unusual
* supplanting the fully automatic mode of fire with burst mode
* increasing the rate of fire of burst-fired firearms to allow the muzzle less time to rise
The Jatimatic submachine gun is an example of a firearm where the bore axis is inclined against the bolt and the rest of the firearm in order to redirect the recoil force slightly upwards.
The KRISS Vector submachine gun uses a more elaborate mechanical articulated mechanism which allows the block and bolt to recoil not just rearward like most other firearms, but back and then 'vectored' down off-axis along a rail system behind the weapon's magazine well to reduce muzzle rise and felt recoil.
==Gallery==

Image:Csa04katherine500smith1.jpg|The recoil from the .500 S&W Magnum cartridge inducing significant muzzle rise during firing a Smith & Wesson Model 500 revolver.
File:500 Linebaugh shooting.jpg|The recoil from the .500 Linebaugh cartridge inducing significant muzzle rise during firing a Ruger Bisley revolver.
File:Beretta m9.jpg|Beretta M9 semi-automatic pistol exhibiting muzzle rise just after firing a 9×19mm Parabellum cartridge.
File:Custom XD-40 V-10.jpg|Springfield-Armory custom XD-40 V-10, showing a ported barrel and slide intended to reduce muzzle rise.
File:AKM and MP5K.JPEG|An AKM assault rifle asymmetric slant cut muzzle fixture designed to counteract muzzle rise (and muzzle climb) during (automatic) firing.
File:Steyr lp10.jpg|The barrel of the Steyr LP 10 PCP air pistol has three holes drilled on top along its length to counteract muzzle rise.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「The interchangeable terms muzzle rise, muzzle flip and muzzle climb refer to the tendency of firearms or pneumatic arms front end (muzzle end of the barrel) to rise up after firing.(Recoil management: how you hold makes all the difference, Guns Magazine, Oct 2006 by Dave Anderson )Muzzle climb more specifically refers to the elevation of muzzle of the firearm, caused by combined recoil from multiple shots being fired in quick succession. It has an adverse effect on accuracy of automatic and rapid-fire semi-automatic firearms, causing a target to be overshot.The primary reason for muzzle rise is that for nearly all firearms, the centerline of the barrel is above the center of contact between the shooter and the firearms' grips and stock. The recoil forces from the bullet being fired and the propellant gases exiting the muzzle act directly down the centerline of the barrel. If that line of force is above the center of the contact points, this creates a couple, a rotational force. That couple causes the firearm to rotate, and the muzzle end to rise upwards.Muzzle rise can be reduced by:* adding more ergonomic contact points (such as a buttstock) for more grip* reducing the vertical distance between the barrel and the contact points* lowering recoil by using less powerful rounds* lowering recoil by lowering the rate of fire of fully automatic firearms* lowering recoil with devices such as muzzle brakes* compensating for the couple using a ported barrel or asymmetric muzzle fixture* increasing the moment of inertia, however this is unusual* supplanting the fully automatic mode of fire with burst mode* increasing the rate of fire of burst-fired firearms to allow the muzzle less time to riseThe Jatimatic submachine gun is an example of a firearm where the bore axis is inclined against the bolt and the rest of the firearm in order to redirect the recoil force slightly upwards.The KRISS Vector submachine gun uses a more elaborate mechanical articulated mechanism which allows the block and bolt to recoil not just rearward like most other firearms, but back and then 'vectored' down off-axis along a rail system behind the weapon's magazine well to reduce muzzle rise and felt recoil.==Gallery==Image:Csa04katherine500smith1.jpg|The recoil from the .500 S&W Magnum cartridge inducing significant muzzle rise during firing a Smith & Wesson Model 500 revolver.File:500 Linebaugh shooting.jpg|The recoil from the .500 Linebaugh cartridge inducing significant muzzle rise during firing a Ruger Bisley revolver.File:Beretta m9.jpg|Beretta M9 semi-automatic pistol exhibiting muzzle rise just after firing a 9×19mm Parabellum cartridge.File:Custom XD-40 V-10.jpg|Springfield-Armory custom XD-40 V-10, showing a ported barrel and slide intended to reduce muzzle rise.File:AKM and MP5K.JPEG|An AKM assault rifle asymmetric slant cut muzzle fixture designed to counteract muzzle rise (and muzzle climb) during (automatic) firing.File:Steyr lp10.jpg|The barrel of the Steyr LP 10 PCP air pistol has three holes drilled on top along its length to counteract muzzle rise.」の詳細全文を読む



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